User manual

Technical Specifications

Specifications

3-6 July 2004 Wide Bank 28 DS3 - Release 2.4

Power

 Two three-terminal (–48, Return, Ground) removable wiring connectors provided for A and

B power feeds

 Input Voltage: –42 to –58 VDC

 Input current, worst case (–42 VDC):

Fully-redundant with FFO: 0.9 Amp (A and B inputs combined)

Single Controller with redundant DS1s and FFO: 0.6 Amp

 Inrush current: 15 Amps for 100 microseconds

 Power dissipation:

Fully redundant with FFO: 36 Watts (123 BTU/hour)

Fully redundant, non-FFO: 32 Watts (109 BTU/hour)

Single Controller with redundant DS1s, non-FFO: 22 Watts (75 BTU/hour)

 Redundant power sharing at the +5V logic level

 Internal solid-state (fuseless) over-voltage and over-current protection

 External inline power fuse recommended: One 3 Amp slow-blow for each power feed

 Optional Power Converter/Battery Charger (Carrier Access P/N 730-0116):

115 VAC to –48 VDC

 Optional Battery Unit (Carrier Access P/N 730-0114):

Provides 6 to 8 hours backup power

Two backup systems provide 8 to 12 hours backup power

Environmental

 Altitude: 0 to 15,000 ft. (0 to 4,572 m)

 Humidity: 0 to 98% (noncondensing)

 External Operational Temperature Range (ambient air):

Meets NEBS operating temperature criteria of 23

F to 104

F (–5

C to 40

C) for an indefinite

period, and up to 131

F (55

C) for 96 hours (4 days) continuous for a maximum of 15 days

per year

 Thermal Protection: Automatic power supply shut-down at 176

º F

(80

)

ambient

Physical Dimensions

 Height: 1.75 inches (4.45 cm) - mounting brackets fit 1.75-inch and 2-inch hole spacing

 Depth: 10 inches (25.4 cm) - 10.9 inches (27.6 cm) with fan faceplate installed

 Width: 17 inches (43.2 cm) - mounting brackets fit 19-inch and 23-inch racks